Lumia 720 powers off, requires SIM pin after Amber

Hi. I notice that my 720 would randomly power off after the Amber update. It would happen when phone is not in use, I would turn it on but would have to enter the SIM pin for it to function. 3rd time its happened today, within 6 hours.

hi mate
have you checked that you are up to date with all the latest Nokia system app updates? also try performing a soft reset to see if that helps.

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